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WorksheetsGrade 6 Chemistry
Total questions: 12
Worksheet time: 6mins
What is the best way to purify water?
Add salt
Put inside the refrigerator
Filtration or Boiling
Find a very clean stream of water
What does chlorination do to the water?
kills microorganisms
Cleans the water
Makes the water taste nice
Removes twigs and sediment
Used to separate suspended particles from a liquid
Filtration
Distillation
Crystallisation
Evaporation
Used to separate a dissolved solid from its solution
Filtration
Evaporation
Crystallisation
Sublimation
what is added during coagulation process in water treatment plant
alum and slaked lime
florida
chlorine
calcium carbonate
Can sand pass through filter paper?
Yes
No
During the purification process, filtration separates the
Solid purities
Solid impurities
Th components of filtration are separated based on
boiling point
solubility
particle size
Is water purified by Solar Purification good to health.
Yes
No
Used to separate an insoluble solid from liquid or soluble solid
Filtration
Distillation
Crystallisation
Evaporation
During the purification process, filtration separates the
Solid purities
Solid impurities
